<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<html>
  <head>
    <title></title>
  </head>
  <body>
    <%
    	int s=0,i=0;
    	for(i=0;i<10;i++)
    		s+=i;
     %>
     <p align="center">1加到9的和为<%=s%></p>
  </body>
</html>
